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Nadusha1986 [10]
3 years ago
13

The difference between 5 times a number and 4 is 16

Mathematics
2 answers:
gavmur [86]3 years ago
8 0

Answer:

4

Step-by-step explanation:

5 times a number: 5n

Difference:

5n - 4

5n - 4 = 16

5n = 20

n = 4

Yakvenalex [24]3 years ago
4 0

Answer:

x = 4 is your answer.

Step-by-step explanation:

What this expression is, is 5x - 4 = 16

What you need to do now is solve for x.

5x - 4 = 16 Add 4 to both sides

5x = 20 Divide 5 on both sides.

x = 4 is your answer.

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You are building a dining room table for family dinners. The table has a length of 3x + 1 feet and a width of 3x - 1 feet. If th
igor_vitrenko [27]

Answer:

Length 7 feet and Width 5 feet

Step-by-step explanation:

we know that

The area of the rectangle ( a dining room table) is equal to

A=LW

where

L=(3x+1)\ ft

W=(3x-1)\ ft

A=35\ ft^2

substitute

35=(3x+1)(3x-1)

Apply difference of squares right side

35=9x^2-1

9x^2=36\\x^2=4\\x=\pm2

Remember that the length cannot be a negative number

so

x=2

<em>Find the length</em>

L=(3(2)+1)=7\ ft

<em>Find the width </em>

W=(3(2)-1)=5\ ft

7 0
3 years ago
Plzzz help I will mark brainliestttt
Thepotemich [5.8K]

Answer:

Not a function

Step-by-step explanation:

For every input there is one and only one output. So on this graph, it shows that there are two dots on a single vertical line, which means that there are two outputs. Because the definition of a function is "for every input there is one and only one output" we know that it is not a function.

7 0
3 years ago
Naomi read's 9 pages in 27 minutes 12 pages in 36 minutes 15 pages in 45 minutes and 50 pages in 150 minutes are these rates pro
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It is proportional. They are all multiplied by three. (9*3=27)
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4 years ago
Software - Infinite Algebra 2 Absolute Value Inequalities Solve each inequality and graph its solution. Name Sarmant Date 3/8/20
gulaghasi [49]
|6+9x|\le24

this is the correct way to solve these types of exercises

then we will try to do the same where a is (6+9x) and b is 24

|6+9x|\le24\longrightarrow-24\le6+9x\le24

and solve the right inequality for x

-24\le6+9x\le24

subtract 6 for all expression

\begin{gathered} -24-6\le6-6+9x\le24-6 \\ -30\le9x\le18 \end{gathered}

now divide on 9

\begin{gathered} -\frac{30}{9}\le\frac{9x}{9}\le\frac{18}{9} \\  \\ -\frac{10}{3}\le x\le2 \end{gathered}

ok, this means that the x values ​​will be from -10/3 to 2 including these

Graph

solution is the red zone

6 0
1 year ago
Morita works in a florist shop and makes flower arrangements. She puts 10 flowers in each vase, and 2/10 of the flowers are dais
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I believe the answer is 40 flowers
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